/*
 * Copyright (c) 2005 Chris Richardson
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.chrisrichardson.ormunit.hibernate;

import java.lang.reflect.*;
import java.util.*;
import java.util.Set;

import junit.framework.*;

import org.hibernate.mapping.*;

public class HibernateAssertUtil {

	public static void assertColumn(String idColumn, Value identifier) {
		Iterator columnIt = identifier.getColumnIterator();
		Assert.assertTrue(columnIt.hasNext());
		Column column = (Column) columnIt.next();
		Assert.assertFalse(columnIt.hasNext());
		if (!idColumn.equalsIgnoreCase(column.getName()))
			Assert.assertEquals(idColumn, column.getName());
	}

	public static void assertPropertyColumn(String idColumn, Property idProperty) {
		Value identifier = idProperty.getValue();
		assertColumn(idColumn, identifier);
	}

	public static Set getPersistableFields(Class type, boolean includeSuper) {
		Set persistableFields = new HashSet();
		while (type != Object.class) {
			Field[] fields = type.getDeclaredFields();
			for (int i = 0; i < fields.length; i++) {
				Field field = fields[i];
				String fieldName = field.getName();
				if (isPersistableField(field)) {
					persistableFields.add(field.getName());
				}
			}
			if (!includeSuper) break;
			type = type.getSuperclass();
		}
		return persistableFields;
	}

	public static boolean isPersistableField(Field field) {
		return (field.getModifiers() & (Modifier.FINAL | Modifier.STATIC)) == 0;
	}

	public static void assertFieldAccess(Property property) {
		Assert.assertEquals("field", property.getPropertyAccessorName());
	}

}